California provided school-level MMR vaccination data for kindergartners. Map: Jacque Schrag/Axios San Diego County's measles ...

Jacque Schrag/Axios Measles vaccination rates for kindergartners reached the "herd immunity" threshold in just five of Iowa's ...

As scientists learn more about the virus, they say herd immunity won't work. Early in the pandemic, scientists and public health experts leaned on their experience with other viruses to make ...

Herd immunity went from a phrase most of us had never heard of to the thing we're all waiting for in just about a year's time. "It's kind of shorthand for back to normal," said Dr. Bob Wachter, chair ...

Colorado measles vaccination rates are falling behind other states, leading to a lower herd immunity among children.

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Herd immunity with Covid-19 could come and go, scientists say. Or we might never reach it at all. "There's a lot of things that have to go our way to actually get to herd immunity," said Dr.

LOUISVILLE, Ky. — As vaccinations slow down across the country, many experts worry the nation will not reach herd immunity. That’s where enough people are immune to a disease to make its spread ...

School-based immunisation against human papillomavirus (HPV) could also offer protection against the development of ...

Overall vaccination rates for Connecticut children have increased since 2020 after they fell during the pandemic. Here's the ...